Trolley-line insulator



w. M. RAMS BY. TROLLBY LINE IN$ULATOR- (No Model.)

Patented Dec. 16,1890.

' UNITED STATES PATENT OFFICE.

\VILLIAM M. RAMSEY, OF ALLEGIIEN Y, PENNSYLVANIA.

TROLLEY-LINE INSULATOR.

SPECIFICATION forming part of Letters Patent No. 443,005, dated December16, 1890.

Serial No. 361,348. (No model.)

1'0 all whom it may concern.-

Be it known that I, WILLIAM Ill. RAMSEY, a citizen of the United States,residing at Allegheny, in the c unty of Allegheny and State ofPennsylvania, have invented certain new and useful- Improvements inTrolley- Line Insulators; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it pertains to make and use the same,reference being had to the accompanying drawings, which form a part ofthis specification.

My invention relates to an improved trolley-line insulator; and itconsists in the peculiar construction and arrangements of parts, as willbe fully described hereinafter.

In the accompanying drawings,Figure 1 is a sectional end elevation of myimproved insulator, which is constructed in accordance with myinvention. Fig. 2 is a side elevation of the same.

To put my invention into practice, I use a bracket a, of suitable sizeand form of construction and provided with two upwardlyprojecting hooksb, which are adapted to con nectwith a supporting-wire c, stretched orsuspended by means of posts across the line of track. This bracket a isprovided with a tapering cylindrical opening d, in which is placed acylindrical wooden block 6, having a rounded top f and a taperingportion g, which neatly fits the opening cl, formed in the bracket (2..Formed in the top of this block 6 and extending about one-half the depthof the same is a cylindrical recess, in which a circular nut of a bolt'5 rests. This bolt '6' extends through the block and projects downwarda short distance, and is provided with a flattened portion 70, throughwhich arivet-hole is formed. Attached by means of a rivet Z to this bolt1' is a shoe or clamp m, which is secured to the trolley-line wire 0 andserves to support the same over theline of track. Above the nut of thebolt q; the cylindrical recess is filled with a non-conducting material19 and a Wooden plug 1;. Formed across the rounded top of this insulatore is a groove 5, which is above the hooks b, and in which thesupporting-wire c rests and forms a kink or bend in said wire 0, therebyforming a rigid connection.

Having thus described my invention, I claim- The herein-describedtrolley-line insulator, consisting of the bracket a, having a taperingcircular opening formed therein and up wardly-extending books 17, acylindrical block e, confined in said opening, a bolt 1', securedtherein, and a shoe or clamp on, attached to said bolt 2', substantiallyas shown and described.

In testimony that I claim the foregoing I hereunto affix my signaturethis 18th day of July, A. D. 1890.

IVILLIAM M. RAMSEY.

